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Object Description
| Title | The Discovery of the Ninth Planet, Pluto, Sigma Xi, University of California at Los Angeles, 28 March 1946 |
| Series | NMSU Speeches and Lectures, Box 143, Folder 003 |
| Creator | Tombaugh, Clyde William, 1906-1997 |
| Subject | Pluto (Dwarf planet); Earth (Planet); Sun; Solar system; Uranus (Planet); Discoveries in science; Astronomy--History; Herschel, William, 1738-1822; Adams, John Couch, 1819-1892; Le Verrier, U. (Urbain), 1849-1907; Airy, George Biddell, 1801-1892; Galle, Johann Gottfried, 1812-1910; Neptune (Planet); Lowell, Percival, 1855-1916; Planet X; Slipher, Earl C.; Photography--Plates; Telescopes; Blink comparators; Astronomy--Observations; Death; Planets; Observatories--Design and construction; Observatory domes; Lowell Observatory; Tombaugh, Clyde William, 1906-1997; Letter writing; Correspondence; Slipher, Vesto Melvin, 1875-1969; Telescopes--Design and construction; Gemini (Constellation); Photography; Methodology; Moon; Work; Milky Way; Stars; Slides (Photography); Deep space--Andromeda Galaxy; Nebulae; Photography--Negatives; Astronomy--Observations--Technique; Asteroids; Planets--Orbits; Jupiter (Planet); Mars (Planet); Planets--Observations; Planets--Opposition; Astronomical photography; Sky; Stars; Astronomical photography--Exposure; Galaxies |
| Relevant Names | Herschel, William, 1738-1822; Royal Astronomical Society; Uranus (Planet); Planet X; Williams, Kenneth P. (Kenneth Powers), 1887-1958; Lampland, C. O. (Carl Otto), 1873-1951; Slipher, Earl C.; Sproul Observatory; Lowell, Percival, 1855-1916. Memoir on a trans-Neptunian planet; Pickering, William H. (William Henry), 1858-; Lowell, Percival, 1855-1916; Mount Wilson and Palomar Observatories; Metcalf, Joel; Slipher, Vesto Melvin, 1875-1969; Lowell, A. Lawrence (Abbott Lawrence), 1856-1943; Lowell Observatory; Yerkes Observatory; Milky Way; Orion (Constellation); Mars (Planet); Jupiter (Planet); Earth (Planet); Pluto (Dwarf planet); University of Kansas; Edmondson, Frank K. (Frank Kelly), 1912-2008; Giclas, H. L. (Henry L.); University of California, Los Angeles. Department of Astronomy |
| Digital Publisher | New Mexico State University Library |
| Collection | NMSU Department of Astronomy: Clyde W. Tombaugh Papers |
| Source | Scan produced from physical item held by the NMSU Library Archives & Special Collections Department |
| Type | Text |
| Format | image/tiff |
| Language | eng |
Page Description
| Title | Page 1 |
| Series | NMSU Speeches and Lectures, Box 143, Folder 003 |
| Creator | Tombaugh, Clyde William, 1906-1997 |
| Subject | Pluto (Dwarf planet); Earth (Planet); Sun; Solar system |
| Date Original | 1946-03-28 |
| Digital Publisher | New Mexico State University Library |
| Collection | NMSU Department of Astronomy: Clyde W. Tombaugh Papers |
| Digital Identifier | Ms0407pp143003_0010001.tif |
| Source | Scan produced from physical item held by the NMSU Library Archives & Special Collections Department |
| Type | Text |
| Format | image/tiff |
| Language | eng |
| OCR |
^S XaAAX-a^_ ")CX |
